2 Installation
2.3 Uninstalling and disassembly (using the XControl as an example)
36 Modular PLCs XControl: XC-104-…, XC-204-…, XC-303-… 01/23 MN050005EN Eaton.com
Figure 21: Locking the system block into place on the DIN-rail
▶ Check to make sure that the system block is solidly mounted.
2.3 Uninstalling and disassembly (using the XControl as an example)
▶ De-energize the system.
Follow the safety rules in DIN VDE 0105 when doing so:
▶ Press on the release mechanism (with a screwdriver, for example) to
release all contacts.
▶ Disconnect all plug connectors from the Modular PLCs XControl: XC-
104-…, XC-204-…, XC-303-… and the XN300 slice modules.
To disassemble the system block, follow the steps below:
▶ Slide the locking elements at the back of the XControl and the XN300
slice modules up.
You can use a screwdriver to do this.
Figure 22: Releasing the system block locking elements
▶ Tilt the system block forward, then pull the block, from its bottom edge,
away from the DIN-rail.